When should I use night shift on iPhone?

Related questions

1. Is night shift good for eyes?
2. Are dark themes better for eyes?
3. Where is f Lux installed?
4. Does flux help you sleep?
5. Is warmer night shift better?
6. Is low brightness bad for your eyes?
7. Should I use night mode all the time?
8. Which light is bad for eyes?
9. Does Apple Night Shift really work?
10. Is there f lux for iPhone?

Tags

1. #regular
2. #automatically
3. #device
4. #morning
5. #shift1
6. #geolocation
7. #display
8. #settings
9. #location
10. #determine
11. #shifts
12. #clock
13. #colors
14. #returns
15. #sunset
16. #night
17. #warmer